搜索结果: 1-15 共查到“firmness”相关记录17条 . 查询时间(0.167 秒)
Mechanical resonance method for evaluation of peach fruit firmness
peach fruit Prunus persica Borh. firmness mechanical resonance
2015/1/20
An investigation was carried out to establish the basic relationship between mechanical resonance, firmness, chemical composition and ethylene production during the maturity time and the ripening time...
Fruit weight, firmness and soluble solids content during ripening of Karešova cv. sweet cherry
sweet cherry Kareš ova cultivar harvest fruit quality rainfall temperature
2015/1/20
Changes in fruit weight, firmness and soluble solids content during the ripening period of Karešova cv. Including relationships between these characteristics were studied in 1998–2001. These year...
Effect of Ethylene and 1-Methylcyclopropene (1-MCP) on Color and Firmness of Red and Breaker Stage Tomato Stored at Different Temperatures
Ethylene and 1-Methylcyclopropene Color
2016/6/1
The red color of the tomato fruit during ripening is due to the presence lycopene, a compound known for its antioxidant property. This compound is influenced by temperature, ethylene and 1-Methylcyclo...
基于模拟退火波长优化的草莓坚实度近红外光谱检测（Detection of Strawberry Firmness by NIR Wavelength Selection Based on Simulated Annealing Algorithm）
草莓 坚实度 近红外光谱 模拟退火算法
2010/12/29
为提高近红外光谱技术检测草莓坚实度模型的精度和鲁棒性，研究了一种基于模拟退火算法的波长优选方法，并找到一种与该算法配套的光谱预处理方法。利用光谱仪和物性仪分别采集草莓样品近红外漫反射光谱和坚实度数据，并采用标准正交变换、多元散射校正、一阶导数、二阶导数等方法对原始光谱进行预处理；最后，利用模拟退火算法优选与草莓坚实度高度相关的波数点变量，结合偏最小二乘法建立草莓坚实度预测模型。结果表明：经过标准正...
洋梨硬度的便携式可见/近红外漫透射检测技术（Evaluation of European Pear (Pyrus communis L.) Firmness Based on Portable Vis/NIR Transmittance Technique）
洋梨 硬度 近红外光谱
2010/12/28
采用便携式可见/近红外检测仪快速检测阿巴特、康佛伦斯和五九香梨硬度。采集洋梨漫透射光谱(500～1010nm)，经二阶导数和卷积平滑处理后，分别建立偏最小二乘法和多元线性回归模型。相关系数法和遗传算法用于选择偏最小二乘法建模变量，预测均方差分别为7.780N和8.080N，相对预测误差分别为26.24%和29.71%。多元线性回归模型使用7个变量，预测均方差和相对预测误差分别为7.740...
Influence of Rootstock Cultivars on Firmness of Skin and Flesh of ‘Mizunasu’ Eggplant Fruit
rootstock cultivars flesh firmness eggplant fruit
2009/7/13
The influence of rootstock cultivars on the skin and flesh firmness of eggplant fruit was examined. ‘Mizunasu’ was grafted to three kinds of rootstock cultivars, ‘Torero’, ‘Hiranasu’ and ‘AE-RS01’. Th...
Effect of Alkalized Organic Waste Application in Bed Soil on Growth, Flesh Firmness and Calcium Concentration in the Plant and Soil of ‘Prince’ Melon
Calcium Concentration Flesh Firmness Bed Soil
2009/7/13
Organic waste was hydrolyzed by adding calcium oxide and used as bed soil for ‘Prince’ melon cultivation. When plants were grown in bed soil mixed with alkalized organic waste and sand (1:1 v/v), fles...
Nondestructive Measurement of Flesh Firmness of Sliced Tomato by Elasticity Index
acoustic vibration measurement nondestructive measurement penetration resistance storage texture
2009/7/7
The flesh firmness of sliced tomato (Solanum lycopersicum L. ‘Reiyo’), cultivated under two different nutrient control systems with various amounts of supplied nutrients, was evaluated by acoustic vib...
Application of Non-Destructive Portable Firmness Tester to Pears
pears firmness acoustics non-destructive testing
2009/6/18
The firmness tester originally developed for melons was improved to measure the ripeness of pears. Sampling frequency was increased to measure pears and user interface on a data acquisition program wa...
Some Factors Affecting on Determination and Measurement of Tomato Firmness
Determination Measurement Tomato Firmness
2009/1/23
Firmness is one of the most important factor for determination of tomatoes quality. Distructive measurement of tomato firmness is one of the evaluation methods of fruit firmness. The Universal Instro...
Screening of Stabilizers for Peanut Milk Based Set Yoghurt by Assessment of Whey Separation, Gel Firmness and Sensory Quality of the Yoghurt
Gel Firmness Sensory Quality
2008/11/26
Seven stabilizers were assessed for their suitability and compatibility to peanut milk based set yoghurt. For the sake of screening, the concentration of the stabilizers added was fixed at 0.2% (w/v)....
Comparison of magness-taylor抯 pressure test with mechanical, non-destructive methods of apple and pear firmness measurements
apples pears firmness measurement non-destructive mechanical methods
2008/11/21
0.890) between MT x F methods was observed for the pears with firmness below 20 N (measured by MT method). It may be concluded that the measurement method for the coefficient of elasticity using the F...
Firmness and stability of plantain fruits under ambient
fruit firmness fruit water content plantain pulp/peel ratio storability
2008/11/21
Plantain (Musa spp) fruit physical properties of finger diameter, pulp/peel ratio, fruit water content and firmness were measured using standard procedures. Fruits with high firmness had low water co...
Quality parameter of storage apple as a firmness
apple firmness physical properties water potential quality
2008/11/18
Different physical parameters related to firmness were studied for apple fruit. Fruit were kept in different conditions up to 30 weeks to show a wide range of mechanical behaviour. Refrigerated storag...
Non-destructive, mechanical method for measurement of plums' firmness
modulus of elasticity ripeness sensory asses- sment quality
2008/11/13
A method was developed based on the measurement of the apparent modulus of the elasticity of plums, using a cylindrical probe and a force of 1 N. This method is extremely sensitive and is fully nonde...